Finding the Third Proportional to 56,114 and 86,245

Step by Step Solution

1. Step 1: Write the proportion equation
   56,114 : 86,245 = 86,245 : x
2. Step 2: Convert to fraction form
   56,114/86,245 = 86,245/x
3. Step 3: Cross multiply
   56,114x = 86,245 × 86,245
4. Step 4: Simplify right side
   56,114x = 7,438,200,025
5. Step 5: Solve for x
   x = 7,438,200,025/56,114
6. Step 6: Final answer
   x = 132,555.16